Question about Texas Instruments TI-89 Calculator

# Ti 89 calculator turns on but is frozen - Texas Instruments TI-89 Calculator

Posted by Anonymous on

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Posted on Jan 02, 2017

Posted on Sep 21, 2007

Well, to answer part of your question, yes... the TI-89 does factor like this. it is inputted like this:

factor(6*x^2+11*x+4,x)

Check the catalog in the TI-84 (which is 2nd-zero) and look under F for factor()

Posted on Jan 19, 2009

I assume you are speaking of solving a system of equations with a number of unknowns. If not, please correct me. Here's an example in practice:

If you have a system of 3 equations with 3 unknowns, you would set up your matrix so that the coefficients of each variable for a particular equation are on one row. So, given equations x + y + z = 0, 2x + 3y - 4z = 1, x + -z = -1 you would type the following into your calculator: [[1,1,1,0][2,3,-4,1][1,0,-1,-1]] and press enter to make sure you typed it correctly. notice that in the third row there is a zero, since we have zero time y for the third equation. Then row-reduce the matrix (2nd > 5 > 4 > 4 or in the CATALOG as rref). You should get out the matrix [[1,0,0,-1][0,1,0,1][0,0,1,0]]. This says that x=-1 y = 1 z=0 since my first column contained the coefficients for the x variable, the second for the y variable, and the third for the z variable. The last column contains the solution, the part on the other side of the equals sign.

Hope this helps! For more reading (from someone else; I just made this one up), check out the Wikipedia articles on Gaussian elimination and Systems of linear equations

Posted on Oct 03, 2009

This error is due to 3rd-party software not compatible with the Operating sytem. The software is trying to access a memory address (location) reserved for the OS or for an application.

To correct it:

The following procedure will completely reset the calculator. Note that this will erase the memory of the calculator and restore all manufacturer's defaults.

• Hold down the following keys [2nd] [<] and [>] (right and left arrow keys)
• Press [ON]
• Release all the keys at the same time
• Adjust the contrast, if necessary.

Posted on Feb 03, 2010

If you're willing to have all RAM cleared, try a hard reset.

Press and hold the 2ND, Left-arrow, and Right-arrow keys.
Press and release the ON key.

Posted on Feb 20, 2010

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## Related Questions:

### TI-89 Titanium completely frozen (Tried all reset methods)

Press left and right arrow and 2nd keys simultaneosly, hold it and then press ON. Release all keys at the same time and you will reset TI 89 Titanium.
Or, type diamond key simultaneosly with + or -
(plus or minus) key to resolve dark screen.

Jun 01, 2017 | Texas Instruments TI-89 Calculator

### My ti-89 screen is frozen and wont accept input

Remove the batteries and wait a minute or two. Put them back in and turn the calc back on and it should function normally. Check for stuck buttons as well, as sometimes they will cause the calc to appear "frozen".

Sep 30, 2010 | Texas Instruments TI-89 Calculator

### My ti-89 calculator's screen is frozen

Having gone over a month without a response to my query, I assume the suggested hard reset solved the problem.

Sep 14, 2010 | Texas Instruments TI-89 Calculator

### My TI-89 is frozen is there any way of resetting it or anything I can do? It isn't the batteries.

TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

If that doesn't do it, reset the calculator. Press and hold the lef-arrow, right-arrow, and 2ND keys, then press and release the ON key.

If that doesn't do it, remove one of the four AAA batteries. Press and hold the ) and (-) keys while replacing the battery. Continue to hold the two keys down for at least five seconds before releasing them.

Aug 30, 2010 | Texas Instruments TI-89 Calculator

### I just exausted a code for my ti 89 and it is frozen and wont do any thing

Try a hard reset. Be aware that this will clear all RAM.

Press and hold the 2ND, left-arrow, and right arrow keys.

Press and release the ON key.

Feb 12, 2010 | Texas Instruments TI-89 Calculator

### TI-89 frozen disolay

Here's the procedure for a hard reset. Be aware that it will clear all RAM.

1. Press and hold the left-arrow, right-arrow, and 2nd keys.

2. Press and release the ON key.

Dec 07, 2009 | Texas Instruments TI-89 Calculator

### Screen frozen

Hello,
When you turn the machine down, it rests where you left it, in the state you left it: In case you wanted to continue with the same program, what you have already accomplished will not be lost.

After you turn it on, Press [2nd][QUIT] or just press the [HOME] button, and it will take you home.

Hope it helps

Jun 15, 2009 | Texas Instruments TI-89 Calculator

### The Ti-89 titanium shows busy symbol all the time

It's frozen. Hold (at the same time) [←] [→] [2nd] then hit [on]. It clears RAM.

Feb 17, 2009 | Texas Instruments TI-89 Calculator

### Ti-89 calculator problem

when i hit 2nd+left+right+on then i saw 'installation in progress' on skin. what i have to do? please help me.

Nov 18, 2007 | Texas Instruments TI-89 Calculator

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